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diff --git a/backuper.sh b/backuper.sh
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+## Some default values of important variables
+
+## Settings
+GPG_RECIPIENT="robin.oburka@nic.cz"
+
+## Style
+TIME_FMT="Time:\t%E"
+
+## Internal variables
+NAME=""
+DST_COMMAND=""
+#GENERATE="sudo"
+GENERATE=""
+COMMAND=""
+PLACES=""
+EXCLUDE=""
+MIDDLE=""
+STORE=""
+
+## Pipeline variables
+PID_GENERATE=""
+PID_MIDDLE=""
+PID_STORE=""
+FIFO_GEN=""
+FIFO_STORE=""
+
+test_input() {
+	[ -z "$NAME" ] && error "Specify backup name"
+	[ -z "$COMMAND" -a -z "$PLACES" ] && error "Specify backup subject"
+	[ -n "$COMMAND" -a -n "$PLACES" ] && error "Do not specify two types of backup at once"
+}
+
+name() {
+	NAME="$1"
+}
+
+generate() {
+	GENERATE="$1"
+}
+
+cmd() {
+	COMMAND="$1"
+}
+
+places() {
+	PLACES="$1"
+	[ "$#" -gt 1 ] && error "Specify places as string"
+
+	#STR=""
+	#for PLACE in "$@"; do
+	#	STR="$STR "$PLACE""
+	#done
+	#PLACES="$STR"
+}
+
+exclude() {
+	STR=""
+	for EXC in "$@"; do
+		STR="$STR --exclude=$EXC"
+	done
+	EXCLUDE="$STR"
+}
+
+middle() {
+	MIDDLE="$1"
+}
+
+store() {
+	STORE="$1"
+}
+
+error() {
+	echo "ERROR: $1" >&2
+	exit 1
+}
+
+die() {
+	if [ -n "$1" ]; then
+		echo "DIE: $1" >&2
+	fi
+	kill -6 "$$"
+}
+
+compute_variables() {
+	UTS="$(date +"%s")"
+	TS="$(date +"%Y-%m-%d_%H-%M-%S")"
+	FILENAME="backup_"$NAME"_"$TS".tar"
+	FILENAME_ENC="$FILENAME".gpg
+	FIFO_GEN="/tmp/backuper_pipe_gen_$$_$UTS"
+	FIFO_STORE="/tmp/backuper_pipe_str_$$_$UTS"
+}
+
+title() {
+	TXT="$1"
+	printf "\n%s\n==========================================\n" "$TXT"
+}
+
+get_size() {
+	FILE="$1"
+	du -h "$FILE" | awk '{ print $1 }'
+}
+
+prepare() {
+
+	#mkdir -p "$DST"
+	#touch "$DST"/"$FILENAME"
+	##chown root:root "$DST"/"$FILENAME"
+	#chmod 600 "$DST"/"$FILENAME"
+	echo "prepare $$"
+	trap 'error_handler' EXIT INT QUIT TERM ABRT HUP ILL TRAP BUS FPE SEGV
+	mkfifo "$FIFO_GEN"
+	mkfifo "$FIFO_STORE"
+}
+
+error_handler() {
+	cleanup
+	exit 42
+}
+
+cleanup() {
+	echo "Cleaning up... ($$)" >&2
+
+	trap - EXIT INT QUIT TERM HUP ILL TRAP BUS FPE SEGV
+
+	[ -n "$PID_GENERATE" ] && if ps --ppid $$ | grep -q "$PID_GENERATE"; then
+		echo "Killing "$PID_GENERATE""
+		kill "$PID_GENERATE"
+	fi
+	[ -n "$PID_MIDDLE" ] && if ps --ppid $$ | grep -q "$PID_MIDDLE"; then
+		echo "Killing "$PID_MIDDLE""
+		kill "$PID_MIDDLE"
+	fi
+	[ -n "$PID_STORE" ] && if ps --ppid $$ | grep -q "$PID_STORE"; then
+		echo "Killing "$PID_STORE""
+		kill "$PID_STORE"
+	fi
+
+	rm -f "$FIFO_GEN"
+	rm -f "$FIFO_STORE"
+
+}
+
+start_store() {
+	$STORE < "$FIFO_STORE"
+}
+
+start_middle() {
+	$MIDDLE < "$FIFO_GEN" > "$FIFO_STORE"
+}
+
+start_command() {
+	if [ -n "$COMMAND" ]; then
+		echo "$COMMAND" | $GENERATE sh -s > "$FIFO_GEN"
+	else
+		## Exclude keep without quotes
+		/usr/bin/time -f "$TIME_FMT" $GENERATE tar c --preserve-permissions $EXCLUDE "$PLACES" > "$FIFO_GEN"
+	fi
+
+
+#	if [ -z "$GENERATE" ]; then
+#		$COMMAND > "FIFO_GEN"
+#	else
+#		echo $COMMAND | $GENERATE sh -s
+#	fi
+}
+
+start_pipeline() {
+	start_store || die &
+	PID_STORE=$!
+
+	start_middle || die &
+	PID_MIDDLE=$!
+
+	start_command || die &
+	PID_COMMAND=$!
+
+#	if ! wait "$PID_COMMAND"; then
+#		die "Backup command failed"
+#	fi
+#	echo "Command done" >&2
+#
+#	if ! wait "$PID_STORE"; then
+#		die "Store command failed"
+#	fi
+#	echo "Store done" >&2
+#
+#	if ! wait "$PID_MIDDLE"; then
+#		die "Middle command failed"
+#	fi
+#	echo "Middle done" >&2
+wait "$PID_STORE" "$PID_MIDDLE" "$PID_COMMAND"
+}
+
+#backup_cmd() {
+#	/usr/bin/time -f "$TIME_FMT" $COMMAND
+#	[ "$?" != 0 ] && die "Generator command exited with error"
+#}
+#
+#create_backup() {
+#	title "Create"
+#
+#	if [ -n "$PLACES" ]; then
+#		backup_tar | cat > "$DST"/"$FILENAME"
+#	elif [ -n "$COMMAND" ]; then
+#		echo "Generating with command: $COMMAND"
+#		backup_cmd | cat > "$DST"/"$FILENAME"
+#	else
+#		error "There is no generating command"
+#	fi
+#
+#	printf "Backup:\t%s (%s)\n\n" "$FILENAME" "$(get_size "$DST"/"$FILENAME")"
+#}
+#
+#enc() {
+#	title "Encrypt"
+#	/usr/bin/time -f "$TIME_FMT" gpg --compress-algo zlib --recipient "$GPG_RECIPIENT" -e "$DST"/"$FILENAME"
+#	[ "$?" != 0 ] && die "Encription failed"
+#	rm "$DST"/"$FILENAME"
+#	printf "Encrypted backup:\t%s (%s)\n\n" "$FILENAME_ENC" "$(get_size "$DST"/"$FILENAME_ENC")"
+#}
+#
+#run() {
+#	title "Run command"
+#	echo "$@"
+#	CMD="sh -c \"$@\""
+#	echo $@ | $GENERATE sh -s
+#	printf "\n"
+#}
+
+backup() {
+	test_input
+	compute_variables
+	prepare
+	start_pipeline
+	#kill $$
+	cleanup
+	#create_backup
+	#secure
+	#enc
+	#send
+}